<template lang="pug">
el-upload.avatar-uploader(
  action="/api/upload"
  :show-file-list="false"
  :on-success="onSuccess"
  :before-upload="beforeUpload"
)
  img.avatar(v-if='value' :src="value")
  i.el-icon-plus.avatar-uploader-icon(v-else)
</template>

<script>
export default {
  props:['value'],
  methods: {
    onSuccess(res) {
      this.$emit('input',res.data)
    },
    beforeUpload() {
      // TODO：校验
      return true;
    }
  },

}
</script>

<style>
   .avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
  }
  .avatar-uploader .el-upload:hover {
    border-color: #409EFF;
  }
  .avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 178px;
    height: 178px;
    line-height: 178px;
    text-align: center;
  }
  .avatar {
    width: 178px;
    height: 178px;
    display: block;
  }
</style>
